26680394 has 12 divisors (see below), whose sum is σ = 43141686. Its totient is φ = 12301872.

The previous prime is 26680393. The next prime is 26680397. The reversal of 26680394 is 49308662.

It can be written as a sum of positive squares in 3 ways, for example, as 1530169 + 25150225 = 1237^2 + 5015^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26680393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25832 + ... + 26844.

Almost surely, 2^26680394 is an apocalyptic number.

26680394 is a deficient number, since it is larger than the sum of its proper divisors (16461292).

26680394 is an equidigital number, since it uses as much as digits as its factorization.

26680394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 26680394 is about 5165.3067672695. The cubic root of 26680394 is about 298.8115724237.

The spelling of 26680394 in words is "twenty-six million, six hundred eighty thousand, three hundred ninety-four".